'Coolness' definitions:

Definition of 'coolness'

From: WordNet
noun
Calm and unruffled self-assurance; "he performed with all the coolness of a veteran" [syn: coolness, imperturbability, imperturbableness]
noun
The property of being moderately cold; "the chilliness of early morning" [syn: chilliness, coolness, nip]
noun
Fearless self-possession in the face of danger [syn: coolness, nervelessness]
noun
A lack of affection or enthusiasm; "a distressing coldness of tone and manner" [syn: coldness, coolness, frigidity, frigidness, iciness, chilliness]

Definition of 'Coolness'

From: GCIDE
  • Coolness \Cool"ness\, n.
  • 1. The state of being cool; a moderate degree of cold; a moderate degree, or a want, of passion; want of ardor, zeal, or affection; calmness. [1913 Webster]
  • 2. Calm impudence; self-possession. [Colloq.] [1913 Webster]